Side by side

Christopher Ward C1 Moonphase 40vsHalios Seaforth IV

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $2,850
Seaforth IV
HaliosSeaforth IV
MSRP $765

At a glance

13 of 29 specs differ
Diameter
C1 Moonphase 4040mm
Seaforth IV40mm
Power Reserve
C1 Moonphase 4038h
Seaforth IV40h
Water Resistance
C1 Moonphase 4030m
Seaforth IV200m
MSRP
C1 Moonphase 40$2,850
Seaforth IV$765

Full specifications

Case

5 specs
Category
Diver
Thickness
13.3mm
12.4mm
Lug-to-Lug
47.9mm
46.5mm
Material
Stainless Steel
Titanium
Water Resistance
30m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Sapphire (double-domed)
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220-1
Sellita SW200-2
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$2,850
$765

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C1 Moonphase 40

Owners widely praise the Christopher Ward C1 Moonphase 40 for its stunning aventurine dial and prominent, lumed moon, with one owner calling it a 10/10 for moon display. However, the lack of dial indices and lumed hands makes time-telling difficult, and the seconds hand is considered largely meaningless for precise tracking. Accuracy averages +2.3 seconds per day with a 38-hour power reserve. On balance, owners view the Christopher Ward C1 Moonphase 40 as a showpiece dress watch for occasional wear, rather than a tool for precise timekeeping, due to its striking dial and moon complication.

Halios Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

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